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L-Theanine & Caffeine

SR Sports Research
4.5
★ ★ ★ ★ ★
(4240 ratings)
Theanine 200 mg
Caffeine 100 mg
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Score96

A premium focus softgel using organic caffeine and MCT oil for smooth, natural energy.

How scoring works
Quantity:60 Softgel(s) • (60 servings)
Goals:
Productivity Boost
Cognitive Support
Mental Focus
Brain Health
Energy
Stress Relief
Metabolism Boost
Mood Support

Score 96

A premium focus softgel using organic caffeine and MCT oil for smooth, natural energy.

How scoring works
$18.36($0.30 per serving)
Vitacost
$ 23.97
Amazon
$ 22.95
Walmart
$ 22.95
iHerb
$ 22.97
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Analysis

This supplement uses PurCaf, which is an organic caffeine source from green coffee. It is paired with a full 200mg of theanine in a 1:2 ratio to provide smooth, long-lasting energy. The softgel format is easy to swallow and uses coconut MCT oil as a base.

The MCT oil provides a tiny bit of metabolic fuel for your brain while you work. This is one of the cleanest and most transparent focus products on the market. It is an excellent choice for anyone who wants a premium, natural alternative to coffee.

Pros

  • Uses organic PurCaf caffeine
  • Includes MCT oil for absorption
  • Ideal 1:2 focus ratio
  • High-quality softgel form

Cons

  • Contains coconut (may be an allergen)
  • Softgels can be sensitive to heat
  • Higher price than standard tablets

Warnings

  • Contains caffeine; monitor other intake
  • Do not use if allergic to coconut
  • Keep bottle tightly closed

Nutrient quality

95 Highest impact

A 2:1 ratio of theanine to caffeine provides robust support for alert focus without overstimulation. Inclusion of MCT oil enhances the formula's potential for efficient delivery and metabolic support.

Ingredient transparency

97 Highest impact

Active ingredients are listed with clear dosages, providing high transparency for the core focus profile. Specific naming of organic sources and lipid co-factors enhances the label's depth.

Customer satisfaction

94 Highest impact

High average ratings and a massive review count reflect consistent satisfaction with the product's focus support. feedback aligns well with the intended clean energy outcomes.

Value for money

95 Highest impact

Excellent value is provided by the reasonable cost per serving of this premium focus stack. The quality of organic caffeine and MCTs justifies the price point for mental clarity.

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Goals

Productivity Boost
Impact
Highest effect
A+ Goal FitA+ Strength of SupportA CoverageA+ Formula Quality

This synergistic blend features a classic combination of 100mg caffeine and 200mg L-Theanine to support clean alertness without a crash. The inclusion of Medium Chain Triglycerides appears well aligned for providing a steady source of cellular energy.

This formulation is an elite choice for those seeking sustained focus and mental stamina throughout the day. It provides a balanced, research-backed ratio of ingredients to maximize cognitive output and clarity.

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Cognitive Support
Impact
Highest effect
A+ Goal FitA+ Strength of SupportB+ CoverageA+ Formula Quality

This synergistic pairing of L-theanine and caffeine is well aligned for promoting clean energy and focused alertness. The 2:1 ratio may contribute to improved concentration while mitigating the jittery effects associated with caffeine.

PurCaf organic caffeine and the addition of MCT oil support efficient energy delivery and absorption. This formulation provides meaningful depth across the focus and energy pathways.

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Mental Focus
Impact
Highest effect
A+ Goal FitA+ Strength of SupportB+ CoverageA+ Formula Quality

Caffeine and L-Theanine are combined to promote "calm alertness," a state that significantly enhances cognitive vigilance while minimizing jitters. This classic synergy appears well aligned with high-performance focus goals.

PurCaf natural caffeine provides a 100mg dose that is optimally effective for attention when balanced with 200mg of L-Theanine. The inclusion of Medium Chain Triglycerides may offer supportive metabolic energy for cognitive performance.

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Energy
Impact
Highest effect
A+ Goal FitA+ Strength of SupportB CoverageA+ Formula Quality

The pairing of caffeine with l-theanine is a research-supported approach to providing a steady increase in alertness while minimizing the common side effects of overstimulation. This ratio appears well-aligned with clinical observations regarding cognitive performance and focused attention.

Utilizing a natural caffeine source and disclosing all active amounts ensures a predictable experience for the user. The inclusion of medium-chain triglycerides may further support the delivery of these fat-soluble and lipid-associated compounds.

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Brain Health
Impact
Highest effect
A+ Goal FitA+ Strength of SupportB+ CoverageA+ Formula Quality

PurCaf Caffeine and L-Theanine provide a classic nootropic synergy for clean energy and focused alertness. This combination appears well aligned with goals for enhancing productivity while minimizing the jitters associated with stimulants.

Concentrated doses of 200mg Theanine and 100mg Caffeine follow a researched 2:1 ratio for optimal cognitive performance. Inclusion of Medium Chain Triglycerides provides additional metabolic fuel for brain energy pathways.

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Stress Relief
Impact
Highest effect
A+ Goal FitA+ Strength of SupportB CoverageA+ Formula Quality

L-Theanine and Caffeine are combined to support mental focus and alertness while minimizing the physical symptoms of the stress response. The synergistic pairing assists in promoting a 'calm focus' by utilizing Theanine's ability to modulate the jittery effects of caffeine.

The 200mg dose of L-Theanine is perfectly balanced against 100mg of caffeine to ensure that the user remains alert yet relaxed. This formulation is excellently suited for individuals seeking to maintain productivity and cognitive performance during demanding periods.

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Ingredients

IngredientAmount per serving
Calories
5 Calorie(s)
Total Fat
0.5 Gram(s)
Medium Chain Triglycerides (Coconut)
 500 mg
L-Theanine
200 mg
PurCaf Caffeine (Green Coffee)
 100 mg
Gluten Free Adults 18–50
Report overview
Theanine · 200 mg OverallScore88
B+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyB+ Value
A classic pairing of L-Theanine and Caffeine, designed to provide clean energy without the typical caffeine crash. This product is ideal for enhancing productivity and mental focus throughout the day.
View ingredientView products
Caffeine (Green Coffee) · 100 mg OverallScore86
C Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value
This formula combines high-quality natural green coffee caffeine with theanine for a smoother energy experience. It offers excellent value and source transparency, making it a well-balanced choice for both cognitive focus and physical energy.
View ingredientView products
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